fn main() {
    let config_max = Some(3u8);
    match config_max {
        Some(max) => println!("(match) The maximum is configured to be {}", max),
        _ => (),
    }

    if let Some(max) = config_max {
        println!("(if let) The maximum is configured to be {}", max);
    }

    let val: Option<u32> = None;
    if let Some(v) = val {
        println!("(if let else) The val is {}", v);
    } else {
        println!("(if let else) None")
    }
}
